Excellent
#147 of 3,813 schools in IL
Top 4% in state
Glenbard South High School
High School · Glenbard Twp HSD 87
23W200 Butterfield Rd, Glen Ellyn, IL 60137
Enrollment
1,027
Student-Teacher
15.6:1
Score
9.0
Grades
9th – 12th
Enrollment
1,027
Student-Teacher
15.6:1
Score
9.0
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Illinois schools
#147 of 3,813
In Glen Ellyn
#1 of 11
public schools
In district
#1 of 4
Glenbard Twp HSD 87
Academic performance
9.1 / 10
Excellent
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Glenbard South High School
High School in Glen Ellyn · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Arbor View Elem School
0.5 mi away. Use as a geographic alternative in the same move search.
St James the Apostle School
1.0 mi away. Use as a geographic alternative in the same move search.
About Glenbard South High School
Glenbard South High School is a public high school in Glen Ellyn, IL, part of Glenbard Twp HSD 87. Glenbard South High School serves approximately 1,027 students, and covers grades 9th-12th, and has a 15.6:1 student-teacher ratio. Glenbard South High School has a current MySchoolScout rating of 9.0 out of 10 and ranks #147 of 3,813 schools in IL.
Structured state assessment records for Glenbard South High School show 51% math proficiency (multi-year average, 2009-2021) and 57% reading/ELA proficiency (multi-year average, 2009-2022).
What's said publicly about Glenbard South High School
Synthesized from public, attributable sources. Updated May 2026.
Sources (1)
- This school 9.0 · Excellent
- District avg 8.6
- IL avg 6.6
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
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Glenbard South High School — Students at Glenbard South High School score 46% proficient, which is above what's typical for similar communities (expected: 36%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
29.1%
Students qualifying for federal meal assistance
Test Scores IL EDFACTS (2021-22)
Based on 27 test records from IL state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 9.0/10.
How Glenbard South High School Compares
See how Glenbard South High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
23W200 Butterfield Rd, Glen Ellyn, IL 60137
Nearby Alternatives
Families considering Glenbard South High School may also want to explore other high schools in the area. Lisle High School (rated 9.0/10, 2.7 miles away, in nearby Lisle), with a very similar rating. Additionally, CHESTERTON ACADEMY OF THE HOLY FAMILY (rated 6.3/10, 2.8 miles away, in nearby Lisle), a more accessible option. For more schools in Glen Ellyn, see our Glen Ellyn schools guide .
Nearby Schools
20 within 2.8 mi| School | Distance | Rating |
|---|---|---|
| Arbor View Elem School Glen Ellyn | 0.5 mi | 7.6 |
| ST JAMES THE APOSTLE SCHOOL Glen Ellyn | 1.0 mi | 4.9 |
| Briar Glen Elem School Wheaton | 0.9 mi | 6.5 |
| Park View Elem School Glen Ellyn | 1.3 mi | 8.7 |
| Glen Crest Middle School Glen Ellyn | 1.6 mi | 7.4 |
| Westfield Elem School Glen Ellyn | 1.6 mi | 8.9 |
| Butterfield Elem School Lombard | 1.5 mi | 7.2 |
| CARRIERS OF LIGHT Wheaton | 2.0 mi | 8.0 |
| TRELAND ACADEMY Wheaton | 1.7 mi | — |
| Lincoln Elem School Wheaton | 1.9 mi | 8.6 |
| KENSINGTON SCHOOL OF WHEATON Wheaton | 1.8 mi | 4.5 |
| ST JOAN OF ARC Lisle | 2.4 mi | 5.5 |
| Abraham Lincoln Elem School Glen Ellyn | 2.4 mi | 7.9 |
| ROSEHILL MONTESSORI SCHOOL Lisle | 2.5 mi | — |
| GIANT STEPS ILLINOIS Lisle | 2.2 mi | 8.2 |
| Lowell Elem School Wheaton | 2.4 mi | 7.9 |
| Lisle High School Lisle | 2.7 mi | 9.0 |
| BRIGHT HORIZONS CHILD CARE & EARLY EDUCATION Downers Grove | 2.1 mi | — |
| CHESTERTON ACADEMY OF THE HOLY FAMILY Lisle | 2.8 mi | 6.3 |
| Lisle Jr High School Lisle | 2.8 mi | 7.3 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 60137 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$131,695
Median Home Value
$490,800
Median Rent
$1,321/mo
Population
38,754
College Educated
63.7%
Homeownership
80.9%
Avg Commute
28.4 min
Poverty Rate
4.9%
Median Age
40.9
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Lemont Twp High School Lemont, IL | 9.0 |
| Grayslake Central High School Grayslake, IL | 8.9 |
| Hancock College Preparatory HS Chicago, IL | 9.1 |
| Prairie Ridge High School Crystal Lake, IL | 8.8 |
| Hinsdale South High School Darien, IL | 8.7 |
| Grayslake North High School Grayslake, IL | 8.6 |
Frequently Asked Questions
Common questions about Glenbard South High School
What grades does Glenbard South High School serve?
Glenbard South High School serves students in grades 9th through 12th.
How many students attend Glenbard South High School?
Glenbard South High School has an enrollment of approximately 1,027 students.
What is the student-teacher ratio at Glenbard South High School?
The student-teacher ratio at Glenbard South High School is 15.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Glenbard South High School rank in IL?
Glenbard South High School ranks #147 of 3,813 schools in IL.
What is Glenbard South High School's MySchoolScout rating?
Glenbard South High School has a current MySchoolScout rating of 9.0 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Glenbard South High School?
Based on loaded state assessment records, Glenbard South High School has 51% math proficiency (multi-year average, 2009-2021) and 57% reading/ELA proficiency (multi-year average, 2009-2022).
Is Glenbard South High School a charter school?
No, Glenbard South High School is not a charter school. It is a traditional public school operated by the local school district.
Is Glenbard South High School a Title I school?
No, Glenbard South High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Glenbard South High School?
29.1% of students at Glenbard South High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,027
- Student-Teacher Ratio
- 15.6:1
- Teachers (FTE)
- 66
- Free/Reduced Lunch
- 29.1%
- Type
- regular
- Setting
- Large Suburb
- County
- DuPage County
- Chronic Absenteeism (SY 2022-23)
- 21.6%
- Phone
- (630) 469-6500
Resources & Links
District
Glenbard Twp HSD 87- District Enrollment
- 7,747
- Schools in District
- 4
- Per-Pupil Spending
- $24,208
- District Rank
- #1 of 4
Other Schools in This District
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